CVE-2025-2564: Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System…

PriorityP421medium4.3CVSS 3.1

AVNACLPRLUINSUCLINAN

EPSS

0.27%

18.8th percentile

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled.

Affected

13 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-server	>= 10.4.0+incompatible < 10.4.4+incompatible	10.4.4+incompatible
github.com	mattermost_mattermost-server	>= 10.5.0+incompatible < 10.5.2+incompatible	10.5.2+incompatible
github.com	mattermost_mattermost-server	>= 9.11.0+incompatible < 9.11.10+incompatible	9.11.10+incompatible
github.com	mattermost_mattermost_server_v8	>= 0 < 8.0.0-20250314142426-c049748b8863	8.0.0-20250314142426-c049748b8863
github.com	mattermost_mattermost_server_v8	>= 10.4.0 < 10.4.4	10.4.4
github.com	mattermost_mattermost_server_v8	>= 10.5.0 < 10.5.2	10.5.2
github.com	mattermost_mattermost_server_v8	>= 9.11.0 < 9.11.10	9.11.10
mattermost	mattermost	10.4.0 – 10.4.3	—
mattermost	mattermost	10.5.0 – 10.5.1	—
mattermost	mattermost	9.11.0 – 9.11.9	—
mattermost	mattermost_server	>= 10.4.0 < 10.4.4	10.4.4
mattermost	mattermost_server	>= 10.5.0 < 10.5.2	10.5.2
mattermost	mattermost_server	>= 9.11.0 < 9.11.10	9.11.10

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